we dont know what carbon sequestration method will be adopted at chinchilla. will it be stored at chinchilla or transported elsewhere.
have a read of whats below and understand what people with knowledge have to say.
In the interest of greenhouse gas emission reduction, CO2 sequestration (also called carbon capture and storage) has emerged as a key technology pathway. UCG provides inherent synergies to CO2 separation and geological sequestration. The high-pressure stream of UCG syngas provides extra energy that can be used to separate out CO2 at extremely low costs. This only partly reduces the CO2 flux, but at a very low cost. In an IGCC configuration, CO2 emissions of the plant can be reduced to a level 55% less than those of a supercritical coal-fired plant and 25% less than the emissions of NG CC. The calculated incremental operating and capital cost of CO2 separation would be small, resulting in a wholesale price for electricity below today’s levels.
Underground coal seams are naturally located with saline aquifers and depleted oil and gas fields. As such, CO2 can be sequestered in the same location as the UCG facility, making transportation costs zero and removing the need for new CO2 pipelines. It also appears that some of the CO2 may be stored within the cavity created by the gasification.
Due to the low cost and environmental benefits, UCG hold particular promise for developing countries with large coal reserves, including China, India, and Indonesia. In the case of India and China, UCG could provide substantial environmental benefit in the form of reduced particulate, NOX, and sulfur emissions. It would allow both nations to exploit their high-ash coals using advanced conversion technologies like IGCC generation. Finally, it would minimize the risk of mining deaths, degredation of the surface environment, and provide a low-cost option for CO2 sequestration.
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